Improvement in fire-escapes



,UNITT'JD STATES PATENT OFFICE JOHN L. PETTERSON, OF BROOKLYN, NEW YORK.

IMPROVEMENT IN FI RE-ESCAPEIS.

` `Speciiication forming part of Letters Patent No. 219,511, dated SeptemberQ, 1879;' application iiled May 28, 1879.

To all whom it may concern:

Be it known that I, JOHN L. PETTERsoN, of Brooklyn, in the county of Kings and State of New York, have invented a new and Iln proved FireEscape, of which the following` is a specification.

The object of my invention is to furnish a portable fire-escape which can be readily fitted for use, easily manipulated, and is especially adapted for carrying sick persons.

The invention consists in a car inclosed on all sides by canvas, having top and bottom frames, entrance-openings, and foot-openings, as hereinafter described.

Figure 1 is a sectional side elevation of the apparatus as applied in use. elevation of the car. Fig. 3 is a side view of the pul1ey-block with the side piece removed.

Similar letters of reference indicate corresponding parts. i

A is the car, suspended by the rope a from the pulley-block B, that is clamped to the sash c. The car A will be ofa size adapted for receiving two or more persons, and is made of canvas or similar material attached to top and bottom wooden boards or frames d d, so that the car is inclosed on all sides. In the side next to the building there is an opening, c, in the canvas for ingress and egress, and within the car a seat, f, is ttted. There are two 'small openings, g "g, beneath the opening c, which give opportunity for persons sitting to use their feet in keeping the car clear of projections on the building.

The block B is hung at the end of a clamping-bar, h, which is bent in a form to tit over the top of an upper sash, and the bar his provided at its inner side with a set-screw, t', adapted for taking beneath the top rail of the sash, so that when the clamp is applied and the screw turned the parts are securely heldt Fig. 2 is a frontl The block is hung by the eye of its strap b,

which eye is placed at one side of the center,

sothat the lblock will be held off from the window.

The rope a passes through a slot in the top of the car, so as to be held within the car; or

skill to apply or operate them. -It is durablev and not likely to get out of order,4and inexpensive.

In Fig. 4 I have shown a bar adapted for use to sustain the upper sash of aewindow when the nre-escape is attached. The same is made adjustable in length, for fitting any window to which it is applied.

Iam aware that ratchets and detents employed in hoisting-blocks, as well as windowprops of different construction, are not new for the same or analogous uses; but

What I claim is- The car A, inclosed on all sides by canvas, having the top and bottom frames d d, the entrance-opening e, and the foot-openings g g,

substantially as shown and described.

JOHN L. PETTERSON.

I/Vitnesses:

GEO. D. WALKER, C. SEDGWICK. 

